why wont my data store service keep working?

so the game I'm making is singleplayer so to make it easier most of the scripting is client-sided but to load and save data it needs to be in a normal script so I'm using some variables in replicated storage but even though the values in replicated storage but I keep getting errors saying that the values are nil even though I'm looking at it in the explorer and there are definitely number values so I need to know that I'm doing wrong here. below I have all the interactions between the server and the client

server script:

warn('dataloader started')

local DataStoreService = game:GetService("DataStoreService")
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local Players = game:GetService("Players")

local PlayerData = DataStoreService:GetDataStore('PlayerData')

local PlayerName = ReplicatedStorage.Data.Temp.PlayerName
local PKey 

local Data = {
	Stage = 1,
	Difficulty = 2,
	FlashingEnabled = 0
}

--Load data when the player joins
game.Players.PlayerAdded:Connect(function(player)
	PKey = "Player_" .. player.UserId
	
	warn('getting data from: ' .. PKey)
	
	local extract
	
	local Sucsess , err = pcall(function()
		extract = PlayerData:GetAsync(PKey .. 'Data')
	end)
	
	if Sucsess then
		Data = extract
		print('Data was sucsessfully extracted')
		game.ReplicatedStorage.Dataloaded:FireClient(player)
	else
		warn('There was an error getting data from datastore: ' .. err)
	end
end)

--Save data when player leaves
game.Players.PlayerRemoving:Connect(function(player)
	warn('Saving data to:' .. PKey)
	
	local Sucsess , err = pcall(function()
		PlayerData:SetAsync(PKey .. 'Data' , Data)
	end)
	
	if Sucsess then
		print('Data is saved')
	else
		warn('There was an error saving player data: ' .. err)
	end
end)

--Update the player data when function is called
game.ReplicatedStorage.DataUpdate.OnServerEvent:Connect(function()
	warn('setting data')
	
	Data.Stage = game.ReplicatedStorage.Data.Perm.Stage.Value
	Data.FlashingEnabled = game.ReplicatedStorage.Data.Perm.FlashingEnabled.Value
	Data.Difficulty = game.ReplicatedStorage.Data.Perm.Difficulty.Value
end)

--save when client fires event
game.ReplicatedStorage.SaveRequest.OnServerEvent:Connect(function()
	warn('Saving data to:' .. PKey)
	
	local Sucsess , err = pcall(function()
		PlayerData:SetAsync(PKey .. 'Data' , Data)
	end)
	
	if Sucsess then
		print('Data is saved')
	else
		warn('There was an error saving player data: ' .. err)
	end
end)

here's the local script:

--ApplyData
game.ReplicatedStorage.Dataloaded.OnClientEvent(function()
	
	--Flash Enabled
	if game.ReplicatedStorage.Data.Perm.FlashingEnabled.Value == 0 then
		Options.Window.EPOff.TextColor3 = Color3.fromRGB(255,255,255)
		Options.Window.EPOff.BackgroundColor3 = Color3.fromRGB(0,0,0)
		
		Options.Window.EPOn.TextColor3 = Color3.fromRGB(0,0,0)
		Options.Window.EPOn.BackgroundColor3 = Color3.fromRGB(255,255,255)
	else
		Options.Window.EPOn.TextColor3 = Color3.fromRGB(255,255,255)
		Options.Window.EPOn.BackgroundColor3 = Color3.fromRGB(0,0,0)
		
		Options.Window.EPOff.TextColor3 = Color3.fromRGB(0,0,0)
		Options.Window.EPOff.BackgroundColor3 = Color3.fromRGB(255,255,255)
	end
	
	--Difficulty
	if game.ReplicatedStorage.Data.Perm.Difficulty.Value == 1 then
		
		Options.Window.Easy.TextColor3 = Color3.fromRGB(255,255,255)
		Options.Window.Easy.BackgroundColor3 = Color3.fromRGB(0,0,0)
		
		Options.Window.Normal.TextColor3 = Color3.fromRGB(0,0,0)
		Options.Window.Normal.BackgroundColor3 = Color3.fromRGB(255,255,255)
		
		Options.Window.Hard.TextColor3 = Color3.fromRGB(0,0,0)
		Options.Window.Hard.BackgroundColor3 = Color3.fromRGB(255,255,255)
	elseif game.ReplicatedStorage.Data.Perm.Difficulty.Value == 2 then
		
		Options.Window.Normal.TextColor3 = Color3.fromRGB(255,255,255)
		Options.Window.Normal.BackgroundColor3 = Color3.fromRGB(0,0,0)
		
		Options.Window.Easy.TextColor3 = Color3.fromRGB(0,0,0)
		Options.Window.Easy.BackgroundColor3 = Color3.fromRGB(255,255,255)
		
		Options.Window.Hard.TextColor3 = Color3.fromRGB(0,0,0)
		Options.Window.Hard.BackgroundColor3 = Color3.fromRGB(255,255,255)
	elseif game.ReplicatedStorage.Data.Perm.Difficulty.Value == 2 then
		
		Options.Window.Hard.TextColor3 = Color3.fromRGB(255,255,255)
		Options.Window.Hard.BackgroundColor3 = Color3.fromRGB(0,0,0)
		
		Options.Window.Normal.TextColor3 = Color3.fromRGB(0,0,0)
		Options.Window.Normal.BackgroundColor3 = Color3.fromRGB(255,255,255)
		
		Options.Window.Easy.TextColor3 = Color3.fromRGB(0,0,0)
		Options.Window.Easy.BackgroundColor3 = Color3.fromRGB(255,255,255)
	end
end)